Ben Affleck & Justin Timberlake: 'Runner Runner' Trailer!

The flick, which also stars Gemma Arterton and Anthony Mackie, is about when a poor college student (Timberlake) who cracks an online poker game goes bust, he arranges a face-to-face with the man he thinks cheated him, a sly offshore entrepreneur (Affleck).

Look out for Runner Runner, in theaters on October 4!

Check out the trailer below.

Also pictured inside: Ben going to a meeting on Tuesday (September 3) in Santa Monica, Calif. The next day, Justin, wearing a rag & bone shirt, was spotted going to Kiss FM Radio studios in London, England.